OpenTechnical

OT-2026-000058748

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, sustained blow-off after set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000058748) never changes.

Identity and time

Publication numberOT-2026-000058748 · never reused
Internal UUID01a0ae89-479c-7d64-873d-833bf96d4a6b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:43:47.568543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058748
StatusPUBLIC

Content hashes

Canonical text7f7c0a96c899850af2558a0862957a19297106edb67b82853c9bd01995c03038
Markdown9a499e0c042637a99e238214380ff4b2493780b205710b3362f49097eb8e03a7
PDF
Publication page5d8fe71da692f6dee5843f218c8141c4f8214ea94272759896a5f7d2132882f3
Manifestbfd699611e4ee1bde9c22334a6d002ed41455eb96da6a8bc9a7d803835b59bf5

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
Signature0uZbFe/mGkfDnm2UkstyfE61JQu3jNnjyhi1MBIWp0y6+1It/06vkSjAMgDpZ/vZEF7oqRvFe8uYNkeEAoZlCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:46:14.974508ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058748
observed 5d8fe71da692f6dee5843f218c8141c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:14.954244ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058748/manifest.json
observed bfd699611e4ee1bde9c22334a6d002ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:14.933958ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058748/publication.md
observed 9a499e0c042637a99e238214380ff4b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:14.853358ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058748/publication.txt
observed 7f7c0a96c899850af2558a0862957a19...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.